Charles (Charles Philip Arthur George; born 14 November 1948) is King of the United Kingdom and 14 other Commonwealth realms. He was the heir apparent as well as Duke of Cornwall and Duke of Rothesay from 1952 to his ascension in 2022 and was both the oldest and the longest-serving heir apparent in British history. He is the longest-serving Prince of Wales, having held the title since July 1958. Upon the death of his father on 9 April 2021, Charles also inherited the title of Duke of Edinburgh.